Centre failed to define Aravali hills despite over a year’s effort, Pg1

Centre's Aravali definition row: Mining threatens vast tracts as definition protects only hills higher than 100 metres.

SC accepted govt's 100-m Aravalli rule, its own panel had opposed it, Pg1

Supreme Court accepts controversial 100-m Aravalli definition despite objections, potentially endangering ecology and expanding Thar Desert.

Filaments: gentle giants in space, PgII

Astronomers discover 50-million-lightyear-long rotating cosmic filament, challenging galaxy formation theories and revealing universe's largest spinning structure.

Why pollution affects north Indian cities more than south & west, Pg12

North Indian cities grapple with severe pollution due to geography and winter inversion, analysis reveals.

Aravallis are precious, need SC's shield, Pg10

Supreme Court accepts controversial definition shrinking Aravalli area by 90% in Rajasthan, raising fears of ecological damage and unsustainable mining.

Forest Survey had red-flagged but Govt took green shield off 90% Aravalli Hills (Forest Survey of India underlined importance of lower hills as barriers to sand, dust flowing east; Secretary says SC appreciated panel's recommendations), Pg1

Aravalli Hills face increased mining risks as government's new 100m height definition excludes 90% of hills, warns FSI report.

How do monsoons affect Tamil Nadu, Pg12.

The northeast monsoon arrived early over Tamil Nadu for the second consecutive year, with forecasters predicting another season of above-average rainfall. While typically seen as beneficial, policymakers are now being urged to reconsider the assumption that “excess rain is good,” given the mounting environmental and infrastructural challenges it brings.

Decks cleared for Maitri II, India set to chart new frontiers in Antarctica's icy wilderness, Pg1.

India's Maitri II research station in Antarctica gets green light with ₹2,000 crore investment for advanced polar research by 2029.

Marshland trap, Pg6

Rajnath Singh warns Pakistan against adventurism near Sir Creek; cites strategic importance amid rising tensions and Chinese involvement.

North America affects monsoon rain over India , Pg10

North American summer warming intensifies Indian monsoon by altering global air circulation patterns, surpassing even Tibetan influence, says study.

Geographers uncover why some rivers stay single while others split , Pg2

Research reveals erosion drives river splitting, impacting flood risks and ecosystem services, with implications for Ganga and Brahmaputra management.

Biodiversity everywhere is ordered by a common ‘hidden’ pattern , PgII.

Global study reveals 'onion-like' pattern in biodiversity distribution, highlighting core hotspots and transition zones across biogeographical regions, informing conservation strategies.

When cities have trees that don’t belong, the birds notice, Pg18

Why are oil prices rising amid Iran-Israel war? Pg10

What is the significance of the Shipki La pass?, Pg8

Cold atoms in space can weigh the Himalayas, Pg20

The maths of how India’s coastline lengthened without gaining land, Pg20